Base | Representation |
---|---|
bin | 110011001100… |
… | …1111111001000 |
3 | 1212111212121000 |
4 | 1212121333020 |
5 | 23333021003 |
6 | 2355215000 |
7 | 444115452 |
oct | 146317710 |
9 | 55455530 |
10 | 26845128 |
11 | 14176162 |
12 | 8ba7460 |
13 | 573bcbb |
14 | 37cb2d2 |
15 | 25541a3 |
hex | 1999fc8 |
26845128 has 64 divisors (see below), whose sum is σ = 76608000. Its totient is φ = 8703936.
The previous prime is 26845127. The next prime is 26845187. The reversal of 26845128 is 82154862.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 26845092 and 26845101.
It is not an unprimeable number, because it can be changed into a prime (26845121) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6313 + ... + 9671.
It is an arithmetic number, because the mean of its divisors is an integer number (1197000).
Almost surely, 226845128 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 26845128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38304000).
26845128 is an abundant number, since it is smaller than the sum of its proper divisors (49762872).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
26845128 is a wasteful number, since it uses less digits than its factorization.
26845128 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3411 (or 3401 counting only the distinct ones).
The product of its digits is 30720, while the sum is 36.
The square root of 26845128 is about 5181.2284257693. The cubic root of 26845128 is about 299.4252997685.
The spelling of 26845128 in words is "twenty-six million, eight hundred forty-five thousand, one hundred twenty-eight".
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